20407029268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 39517632000

約数和(自身を除く): 19110602732

約数列:

[1, 2, 4, 19, 38, 43, 59, 76, 86, 109, 118, 172, 218, 236, 436, 817, 971, 1121, 1634, 1942, 2071, 2242, 2537, 3268, 3884, 4142, 4484, 4687, 5074, 6431, 8284, 9374, 10148, 12862, 18449, 18748, 25724, 36898, 41753, 48203, 57289, 73796, 83506, 89053, 96406, 105839, 114578, 122189, 167012, 178106, 192812, 211678, 229156, 244378, 276533, 356212, 423356, 488756, 553066, 793307, 1088491, 1106132, 1586614, 2010941, 2176982, 2463427, 3173228, 4021882, 4353964, 4551077, 4926854, 5254127, 6244501, 8043764, 9102154, 9853708, 10508254, 12489002, 18204308, 21016508, 24978004, 46805113, 86470463, 93610226, 118645519, 172940926, 187220452, 237291038, 268513543, 345881852, 474582076, 537027086, 1074054172, 5101757317, 10203514634, 20407029268]

約数ペア:

[(1, 20407029268), (2, 10203514634), (4, 5101757317), (19, 1074054172), (38, 537027086), (43, 474582076), (59, 345881852), (76, 268513543), (86, 237291038), (109, 187220452), (118, 172940926), (172, 118645519), (218, 93610226), (236, 86470463), (436, 46805113), (817, 24978004), (971, 21016508), (1121, 18204308), (1634, 12489002), (1942, 10508254), (2071, 9853708), (2242, 9102154), (2537, 8043764), (3268, 6244501), (3884, 5254127), (4142, 4926854), (4484, 4551077), (4687, 4353964), (5074, 4021882), (6431, 3173228), (8284, 2463427), (9374, 2176982), (10148, 2010941), (12862, 1586614), (18449, 1106132), (18748, 1088491), (25724, 793307), (36898, 553066), (41753, 488756), (48203, 423356), (57289, 356212), (73796, 276533), (83506, 244378), (89053, 229156), (96406, 211678), (105839, 192812), (114578, 178106), (122189, 167012)]